package com.amlyc.demo2;

import com.sun.org.apache.bcel.internal.generic.IF_ACMPEQ;

import java.text.SimpleDateFormat;
import java.util.Date;

public class TestSleep2 {
    public static void tenDown() throws InterruptedException {
        int num=10;
        while (true) {
            Thread.sleep(1000);
            System.out.println(num--);
            if (num <= 0) {
                break;
            }
        }
    }

    public static void main(String[] args) throws InterruptedException {


        Date startTime = new Date(System.currentTimeMillis());
        while (true) {
            Thread.sleep(1000);
            System.out.println(new SimpleDateFormat("HH:mm:ss").format(startTime));
            startTime = new Date(System.currentTimeMillis());
        }
    }
}
